ELI5/ Why is the cost of electricity constantly increasing despite the increasing amount of renewable and green energy?

Question

I understand there is installation, maintenance and servicing costs, but shouldn’t the free power from the sun, wind and tidal eventually pay this off and start providing free power?

In: Engineering

Answer 1

Renewables are not necessarily cheaper. They’re also intermittent sources so need to be backed up with gas, coal, nuclear, etc.